This demo shows some of the neat things you can do with PowerShell with regards to server administration. There are 10 demos you can run through ranging from simple queries for services to enumerating information in Active Directory. Some of the scripts use lists of computers, some prompt for a computername. Each script shows a different thing you can do with PowerShell to quickly create administration scripts.

Length: 12 minutes 28 seconds
 
You can also download the WMV here

There is also a good Introduction to Windows PowerShell Virtual Lab where you will learn to carry out system administration tasks as well as learn the capabilities of the Windows PowerShell console.

We also have the Windows PowerShell 2.0 CTP (Community Tech Preview) for those who want to try out the latest and greatest.

Technical Overview of the Business Productivity Online Suite from Microsoft Online Services (Level 200)
The Business Productivity Online (BPO) Suite from Microsoft Online Services includes Exchange Online, SharePoint Online, Office Live Meeting, and Exchange Hosted Filtering, enterprise-class software delivered as a subscription service, hosted by Microsoft, and sold with partners. In this webcast, we introduce you to the BPO Suite and its components, and we demonstrate the ease with which IT professionals can set up the service for their organizations and users.

Deploying Windows Vista in Your Organization with Confidence (Level 300)
In this webcast, we explore how to automate the deployment of the Windows Vista operating system for small-, medium-, and large-scale deployment scenarios. We look at applications that help IT professionals assess existing resources before deploying Windows Vista Service Pack 1 (SP1) such as Microsoft Assessment and Planning Solution Accelerator and Microsoft System Center Essentials. We also discuss using the Application Compatibility Toolkit (ACT) 5.0, which helps ensure the seamless deployment of productivity applications on Windows Vista, and the User State Migration tool to migrate existing operating system settings. During the webcast, we walk you through Windows Vista deployment scenarios for different sized organizations so you can see which deployment technology is appropriate for your situation. For small organizations, we deploy Windows Vista SP1 using Windows Deployment Services, Windows Update, and the Windows Automated Installation Kit. For mid-sized businesses, we deploy Windows Vista SP1 to existing Windows Vista computers using System Center Essentials, and we use the Windows Deployment Toolkit (MDT) 2008 to provision new computers for Windows Vista SP1. We use Microsoft System Center Configuration Manager in the large-scale deployment scenario, and Windows Server Update Services for updating Windows Vista clients to Windows Vista SP1.

Managing Windows Vista with Windows PowerShell (Level 300)
Discover how Windows PowerShell command-line options can interface with Windows Management Instrumentation (WMI) to manage client settings. In this webcast, we explore administrative tasks, how to manage the Windows Vista operating system, and how to troubleshoot network problems.